UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yO/kzDyvOL5E53WJ64rpxiJ5+Q+5/1CP7+z80GxwgLs=' 
WHERE 
  key_id = '8f43476aadc026cb1ed6b05dac3a4d2158de274078548b0f741415ff53e5e5e1' 
  AND (
    token = 'yO/kzDyvOL5E53WJ64rpxiJ5+Q+5/1CP7+z80GxwgLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )